a. Is the Domain Name System only used to send back IP addresses for given host names? Explain.

8a1.) The domain name system ________.

a. is a way to find a host's IP addresses if your computer only knows the host's host name

b. is a general naming system for the Internet

c. Both A and B

d. Neither A nor B

8a2.) ________ is a general naming system for the Internet.

a. NAT

b. DNS

c. DHCP

d. Dotted decimal notation

b. What is a domain?

8b.) In DNS, a group of resources under the control of an organization is called a ________.

a. Network

b. Sub-net

c. Scope

d. Domain

c. Distinguish between the DNS root and top-level domains.

8c1.) “.com" is a ________.

a. Root domain

b. Top-level domain

c. Second-level domain

d. None of the above

8c2.) ".edu" is a ________.

a. Root domain

b. Top-level domain

c. Second-level domain

d. None of the above

d. What are the two types of top-level domains?

8d.) Which is a type of top-level domain?

a. Generic TLD

b. Specific TLD

c. Both A and B

d. Neither A nor B

e. Which level of domain name do corporations most wish to have?

8e.) Corporations wish to have ________ domain names.

a. Top-level

b. Second-level

c. Third-level

d. None of the above

f. What are DNS root servers?

8f.) The highest-level DNS servers are called ________.

a. Root servers

b. Top-level domain servers

c. Both A and B

d. Neither A nor B

g. How does a company or individual obtain a second-level domain name?

8g.) Companies get second-level domains from ________.

a. The IETF

b. Domain registrars

c. The Internet Society

d. The United States government

h. What does a company need beyond obtaining a second-level domain name to have a website?

8h.) A company has a domain name. What else must it have before it can make a website available to the public?

a. ADNS server to host its domain name

b. The website itself

c. Both A and B

d. Neither A nor B